參數(shù)資料
型號: TPA0243DGQG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 音頻/視頻放大
英文描述: 2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO10
封裝: GREEN, PLASTIC, MSOP-10
文件頁數(shù): 5/11頁
文件大?。?/td> 470K
代理商: TPA0243DGQG4
TPA0243
2-W MONO AUDIO POWER AMPLIFIER
WITH HEADPHONE DRIVE
SLOS279C – JANUARY 2000 – REVISED NOVEMBER 2002
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Terminal Functions
TERMINAL
I/O
DESCRIPTION
NAME
NO.
I/O
DESCRIPTION
BYPASS
4
I
BYPASS is the tap to the voltage divider for internal mid-supply bias. This terminal should be connected to
a 0.1-
F to 1-F capacitor.
GND
8
Ground terminal
LIN
9
I
Left-channel input terminal
LO/MO
10
O
Left-output in SE mode and mono negative output in BTL mode.
MONO-IN
1
I
Terminal used to filter supply
RIN
5
I
Right-channel input terminal
RO/MO
6
O
Right-output in SE mode and mono positive output in BTL mode
SHUTDOWN
2
I
SHUTDOWN places the entire device in shutdown mode when held low. TTL compatible input.
ST/MN
7
I
Selects between Stereo and Mono mode. When held high, the amplifier is in SE stereo mode; while held low,
the amplifier is in BTL mono mode.
VDD
3
I
VDD is the supply voltage terminal.
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, VDD
6 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input voltage range, VI
–0.3 V to VDD +0.3 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous total power dissipation
internally limited (see Dissipation Rating Table)
. . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA (see Table 3)
– 40
°C to 85°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating junction temperature range, TJ
– 40
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg
–65
°C to 150°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
260
°C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
DISSIPATION RATING TABLE
PACKAGE
TA ≤ 25°C
DERATING FACTOR
TA = 70°C
TA = 85°C
DGQ
2.14 W
17.1 mW/
°C
1.37 W
1.11 W
See PowerPAD Thermally Enhanced Package Application Report (SLMA002) for more information on the
PowerPAD
package. The thermal data was measured on a PCB layout based on the information in the
section entitled Texas Instruments Recommended Board for PowerPAD on page 33 of that document.
recommended operating conditions
MIN
MAX
UNIT
Supply voltage, VDD
2.5
5.5
V
ST/MN
VDD = 3 V
2.7
High-level input voltage, VIH
ST/MN
VDD = 5 V
4.5
V
High level in ut voltage, VIH
SHUTDOWN
2
V
ST/MN
VDD = 3 V
1.65
Low-level input voltage, VIL
ST/MN
VDD = 5 V
2.75
V
Low level in ut voltage, VIL
SHUTDOWN
0.8
V
Operating free-air temperature, TA
– 40
85
°C
PowerPAD is a trademark of Texas Instruments.
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